What is the answer to "Cornerstone abbr." in the Newsday Crossword?

The answer to the Newsday Crossword clue "Cornerstone abbr." is ESTD (4 letters).

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Cornerstone abbr. Newsday Crossword Clue

Across clue · from the November 16, 2025 puzzle

Stuck on “Cornerstone abbr.” from the Newsday Crossword? Here is the verified answer:

Answer

ESTD

4 letters · Across · last seen November 16, 2025

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